ARG UBUNTU_VERSION=18.04 # Use the official ubuntu:18.04 image as the parent image FROM ubuntu:${UBUNTU_VERSION} # Set the working directory to /app WORKDIR /app ARG ARCH=amd64 ADD setup-ubuntu.sh /app ADD sources.list /app # Tell Ubuntu non-interactive install ARG DEBIAN_FRONTEND=noninteractive RUN ./setup-ubuntu.sh ${ARCH} RUN apt-get install -y ca-certificates RUN update-ca-certificates